Which of the Following Statements Is Incorrect

question 19

Multiple Choice

Which of the following statements is incorrect?

• A)Capacitance is always positive.
• B)The symbol for potential difference between the plates of a capacitor is .
• C)Water is a polar molecule.
• D)When a dielectric is placed in a capacitor it serves to reduce the electric field.
• E)Nonpolar molecules cannot be used for dielectric material in a capacitor.

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Definitions:

Rods

Photoreceptor cells in the retina of the eye that are responsible for vision at low light levels, distinguishing them from cones which are responsible for color vision and function well in bright light.

Cones

Cells in the eye's retina, known as photoreceptors, enable color perception and operate optimally under well-lit conditions.

Periphery

The outer limits or edge of an area or object, often used metaphorically to describe those not in the main or central part of a group or activity.

Electromagnetic Spectrum

The range of all types of electromagnetic radiation, including visible light, radio waves, X-rays, and gamma rays.